Volker Dusch is a Software Developer born in Germany and currently working for the Scientific Network, ResearchGate, in Berlin. He started programming with PHP in the early PHP 4 days and has around 10 years of experience with the language. Having worked on big home grown legacy applications and with new "modern" projects he is interested in keeping code maintainable so that it can be adapted fast and easily to new requirements. His current interests lie in the Clean Code movement, Test Driven Development, Agile Software Development and shipping what "business" really needs to succeed. In his spare time he contributes to PHPUnit, jenkins-php.org and some other smaller projects while enjoying chess, poker, gaming and watching esports. You can find him on twitter (http://twitter.com/__edorian), GitHub (https://github.com/edorian), and Stackoverflow (http://stackoverflow.com/users/285578/edorian).